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ENGINE SPECIFICATIONS
SPEC
SPEC
Stem-to-guide clearance
IN
0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
0.08 mm
(0.0031 in)
EX
0.025 ~ 0.052 mm
(0.0010 ~ 0.0020 in)
0.10 mm
(0.0039 in)
Stem runout limit
----
0.02 mm
(0.0008 in)
Valve seat width
IN
0.8 ~ 1.1 mm
(0.0315 ~ 0.0433 in)
1.6 mm
(0.0630 in)
EX
0.8 ~ 1.1 mm
(0.0315 ~ 0.0433 in)
1.6 mm
(0.0630 in)
Valve spring
Free length
IN
30.00 mm (1.18 in)
27.00 mm
(1.06 in)
EX
30.00 mm (1.18 in)
27.00 mm
(1.06 in)
Compressed pressure
(installed)
IN
39.14 ~ 47.77 N at 22.45 mm
(3.99 ~ 4.87 kg,
8.80 ~ 10.74 lb at 0.884 in)
----
EX
39.14 ~ 47.77 N at 22.45 mm
(3.99 ~ 4.87 kg,
8.80 ~ 10.74 lb at 0.884 in)
----
Tilt limit
IN
2.0°/1.1 mm
(2.0°/0.04 in)
EX
2.0
°/1.1 mm
(2.0°/0.04 in)
Direction of winding
(top view)
IN
Counterclockwise
----
EX
Counterclockwise
----
Item
Standard
Limit
IN
33.50 mm (1.32 in)
30.50 mm
(1.20 in)
EX
33.50 mm (1.32in)
30.50 mm
(1.20 in)
Inner spring
Free length
Outer spring
